:root {
  --bg: #EBDDC6;
  --bg-soft: #F1E7D5;
  --ink: #211D19;
  --ink-soft: #5C5347;
  --linea: rgba(33, 29, 25, 0.16);
  --shadow-hover: 0 18px 40px -16px rgba(33, 29, 25, 0.28);
}

* { box-sizing: border-box; }

/* ---------------- Fotos: sin clic derecho ni arrastre ----------------
   Las fotos van detrás de una capa transparente (::after), así el clic
   derecho cae sobre el contenedor y el navegador no ofrece "guardar
   imagen" ni "copiar imagen". No reemplaza a una marca de agua. */
.frame img,
.lightbox img,
.book-tile-photo img {
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
  pointer-events: none;
}

.frame,
.book-tile-photo,
.lightbox-frame {
  position: relative;
}

.frame::after,
.book-tile-photo::after,
.lightbox-frame::after {
  content: "";
  position: absolute;
  inset: 0;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Jost', sans-serif;
  overflow-x: hidden;
}

#dots-bg {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

.book-nav, .book-header, .gallery, .empty-state, .books-grid {
  position: relative;
  z-index: 1;
}

/* ---------------- Nav ---------------- */
.book-nav {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px clamp(20px, 5vw, 64px);
  background: var(--bg);
  border-bottom: 1px solid var(--linea);
}

.book-nav .brand {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  font-size: 22px;
  letter-spacing: 0.05em;
}

.book-nav .brand {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.book-nav .nav-links {
  display: flex;
  gap: clamp(18px, 3vw, 36px);
}

.book-nav .nav-links a {
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 0.2s ease;
}

.book-nav .nav-links a:hover,
.book-nav .nav-links a.active {
  color: var(--ink);
}

.book-header {
  text-align: center;
  padding: 8vh 6vw 6vh;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.75rem;
  color: var(--ink-soft);
  margin: 0 0 1.1rem;
}

.book-header h1 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  margin: 0;
  letter-spacing: 0.01em;
}

.subtitle {
  font-weight: 300;
  color: var(--ink-soft);
  font-size: 1rem;
  margin-top: 0.9rem;
  letter-spacing: 0.02em;
}

/* Escrito del book, editable desde el panel */
.book-intro {
  max-width: 58ch;
  margin: 2.4rem auto 0;
  text-align: left;
}

.book-intro p {
  font-weight: 300;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ink-soft);
  margin: 0 0 1.1rem;
}

.book-intro p:last-child { margin-bottom: 0; }

/* ---------------- Portada: grilla de books ---------------- */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: clamp(24px, 3vw, 44px);
  padding: 2vh 6vw 14vh;
  max-width: 1400px;
  margin: 0 auto;
}

.book-tile {
  display: block;
  color: inherit;
  text-decoration: none;

  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(.22,.61,.36,1),
              transform 0.8s cubic-bezier(.22,.61,.36,1);
  transition-delay: var(--delay, 0ms);
}

.book-tile.in-view {
  opacity: 1;
  transform: translateY(0);
}

.book-tile-photo {
  overflow: hidden;
  background: var(--bg-soft);
  aspect-ratio: 4 / 5;
}

.book-tile-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.book-tile:hover .book-tile-photo img {
  transform: scale(1.03);
}

.book-tile-photo.sin-foto {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--linea);
}

.book-tile-photo.sin-foto span {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.book-tile-body { padding: 1.1rem 0.2rem 0; }

.book-tile-body h2 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  font-size: 1.7rem;
  margin: 0;
  letter-spacing: 0.01em;
}

.book-tile-meta {
  margin: 0.35rem 0 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.book-tile-intro {
  margin: 0.7rem 0 0;
  font-weight: 300;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

@media (max-width: 760px) {
  .books-grid { grid-template-columns: 1fr; }
}

/* ---------------- Book con código ---------------- */
.passcode-gate {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 18vh 6vw 12vh;
}

.passcode-gate h2 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  font-size: clamp(2rem, 4.5vw, 3rem);
  margin: 0 0 2rem;
}

.passcode-gate form {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.passcode-gate input {
  font-family: 'Jost', sans-serif;
  font-size: 1rem;
  font-weight: 300;
  padding: 12px 16px;
  min-width: 240px;
  color: var(--ink);
  background: var(--bg-soft);
  border: 1px solid var(--linea);
}

.passcode-gate input:focus {
  outline: none;
  border-color: var(--ink);
}

.passcode-btn {
  font-family: 'Jost', sans-serif;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 12px 26px;
  color: var(--bg);
  background: var(--ink);
  border: 1px solid var(--ink);
  cursor: pointer;
}

.passcode-error {
  margin-top: 1.2rem;
  font-size: 0.9rem;
  font-weight: 300;
  color: #8c2f1d;
}

/* ---------------- Galería — fotos grandes, sin marco ---------------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
  gap: clamp(10px, 1.6vw, 22px);
  padding: 2vh 6vw 14vh;
  max-width: 1600px;
  margin: 0 auto;
}

.frame {
  cursor: zoom-in;
  will-change: transform, opacity;
  overflow: hidden;

  opacity: 0;
  transform: translateY(42px);
  transition: opacity 0.9s cubic-bezier(.22,.61,.36,1),
              transform 0.9s cubic-bezier(.22,.61,.36,1);
  transition-delay: var(--delay, 0ms);
}

.frame.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Flotación idle, muy sutil, solo una vez que la tarjeta ya está visible */
.frame.in-view {
  animation: float 7s ease-in-out var(--float-delay, 0s) infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-7px); }
}

.frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 5;
  background: var(--bg-soft);
  transition: transform 0.5s ease;
}

.frame:hover img {
  transform: scale(1.015);
}

.frame.entering {
  animation: enter-pop 1.1s cubic-bezier(.22,.61,.36,1);
}
@keyframes enter-pop {
  0%   { opacity: 0; transform: translateY(28px) scale(0.98); }
  60%  { opacity: 1; transform: translateY(-4px) scale(1.005); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

.empty-state {
  text-align: center;
  color: var(--ink-soft);
  font-weight: 300;
  padding: 4vh 0 12vh;
}

/* ---------------- Toast ---------------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink);
  color: var(--bg);
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  opacity: 0;
  transition: opacity 0.5s ease, transform 0.5s ease;
  z-index: 50;
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------------- Lightbox ---------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 12, 9, 0.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.35s ease;
  padding: 4vh 4vw;
}
.lightbox.open {
  opacity: 1;
}
.lightbox[hidden] { display: none; }

.lightbox img {
  display: block;
  max-width: 92vw;
  max-height: 90vh;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  transform: scale(0.94);
  transition: transform 0.35s cubic-bezier(.22,.61,.36,1);
}
.lightbox.open img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 22px;
  right: 30px;
  background: none;
  border: none;
  color: #F1E7D5;
  font-size: 2.2rem;
  font-weight: 300;
  cursor: pointer;
  line-height: 1;
  opacity: 0.8;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.lightbox-close:hover {
  opacity: 1;
  transform: rotate(90deg);
}

@media (max-width: 760px) {
  .gallery { grid-template-columns: 1fr; gap: 14px; }
}

@media (max-width: 640px) {
  .book-nav .nav-links { gap: 14px; }
  .book-nav .nav-links a { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  .frame, .frame.in-view, .lightbox, .lightbox img, .toast {
    animation: none !important;
    transition: opacity 0.3s ease !important;
    transform: none !important;
  }
}